Finding the Third Proportional to 1,401.94 and 2,100.19

Step by Step Solution

1. Step 1: Write the proportion equation
   1,401.94 : 2,100.19 = 2,100.19 : x
2. Step 2: Convert to fraction form
   1,401.94/2,100.19 = 2,100.19/x
3. Step 3: Cross multiply
   1,401.94x = 2,100.19 × 2,100.19
4. Step 4: Simplify right side
   1,401.94x = 4,410,787.54
5. Step 5: Solve for x
   x = 4,410,787.54/1,401.94
6. Step 6: Final answer
   x = 3,146.21